Cheapest return flights from Istanbul to Sofia in December from $89

AirHint found the following cheapest return flights from Istanbul (SAW) to Sofia (SOF) in December 2025 (see full year).

Return flights

27 Dec - 03 Jan Pegasus Airlines
30 Dec - 03 Jan Pegasus Airlines
06 Dec - 09 Dec Pegasus Airlines direct
15 Dec - 18 Dec Pegasus Airlines direct
02 Dec - 13 Dec Pegasus Airlines direct
06 Dec - 13 Dec Pegasus Airlines direct
20 Dec - 21 Dec Pegasus Airlines direct
21 Dec - 28 Dec Pegasus Airlines direct
26 Dec - 28 Dec Pegasus Airlines direct
19 Dec - 21 Dec Pegasus Airlines direct
17 Dec - 21 Dec Pegasus Airlines

Also check the deals for one-way flights from Istanbul to Sofia in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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